Concorde Battery Sealed RG-129

The Concorde Battery RG-129 is a 24 V RG Series emergency aircraft battery designed for non-engine-start applications. This sealed valve-regulated lead-acid (VRLA) battery has a rated capacity of 3.8 Ah at the one-hour rate (C1) at 23 °C.

RG Series construction uses absorbed glass mat (AGM) separators and non-removable vent valves. The battery is maintenance-free with no requirement to add electrolyte or water.

• Manufacturer part number: RG-129
• Nominal voltage: 24 V
• Rated capacity: 3.8 Ah at C1, 23 °C
• Battery type: sealed VRLA / AGM lead-acid
• Primary purpose: emergency aircraft battery; not rated for engine starting
• Approximate dimensions (L × W × H): 263 × 153 × 71 mm
• Maximum weight: 5.1 kg

Manufacturer documentation for the RG-129 includes the RG Series Emergency Aircraft Battery Component Maintenance Manual (CMM 5-0167), the RG Series Owner/Operator Manual (Document 5-0324), and the RG-129 Declaration of Design Performance. Confirm installation eligibility and maintenance requirements against the applicable approved aircraft data and current manufacturer documentation.